DB2 Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

DB2 Interview Questions

Questions Answers Views Company eMail

How we create a tables in db2,what is the process/syntax to create a table with example plz?

2 15439

4. A DB2 application is bound with uncommitted Read isolation level.It issues a request that retrieves 20 rows out of 200000 in the table. Which of the following descrbes the rows that are locked as a result of this request? a. None of the rows are locked. B.The retrieved rows are locked. C.The last row of the result set is locked. D.The rows not previously updated by another application are locked.

Wipro,

3 9446

If we have 100 records in the PF, we deleted all the records then what is the Size of the PF?

2 6447

how to fetch multiple records without using cursor

HCL,

14 40080

what is datacom db?

CSC,

2 8378

db2 query I have one table with the following details. SNO SNAME DOJ ------ -------------------- ---------- 10 KRISH 2007-03-19 20 REDDY 2007-05-19 30 RRRRR 2007-05-19 40 BBBBB 2008-05-19 50 CCCCC 2009-05-19 60 JJJJJ 2009-05-19 70 JJJJJ 2004-05-19 i want the output in the following format:( no of students joined in each year(no nedd to consider about month and date) year count --------- ---------- 2004 1 2007 3 2008 1 2009 2

TCS,

9 14664

what will be the output of the below given query, if no matching records are found : (a.) 0 (b.) null (c.) error select Avg(salary) from TableA where Deptno = 'insurance'

Amdocs,

10 16678

Can we use select * statement in cobol program without giving field names ???

Zensar,

3 11886

why we create view.

5 10334

quary for 1> fetch last record 2> fetch in reverse order 3> fetch last 5 row 4> fetch second last record (their is no primary key) i think concept of count can be use for this in 4th

5 10775

I have a table which has thousand of records i want to fetch only record num 100 to record num 200. Write a query that satisfies this criteria.(Cant use any keys) Anyone please reply ASAP!

KNIT, Tech Mahindra,

17 27709

What are the functions in DB2?

Satyam,

3 9514

How to know the primary key of a table without defining the primary key in the table?

Satyam,

5 15498

can we drop column from a table

INDUS,

7 21349

How to get Top 10 Salaries from a Table

Accenture, HTC,

11 28455

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Un-Answered Questions { DB2 }

Are views updateable?

1234

can all users have the privilage to use the sql statement select * (dml)?

1220

What is cursor with hold option in db2?

1134

What is host variable?

1109

What is the usage of open cursor command?

1143

What is drop table?

1064

What is db2 purescale?

1052

What is multi row fetch in db2?

1100

Explain about rct in db2?

1160

How do I create a view in db2?

1074

What is dclgen in db2?

1194

How does cobol compile db2 program?

1128

What is the difference between nvl and coalesce?

1105

What is data manager?

1101

Explain various types of locks in db2?

1204

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